#include<stdio.h>
int main (){
    int a,b ;
	printf("请输入两个整数\n");
	scanf("%d%d",&a,&b);
	printf(" -a = %d\n -b = %d\n a + b = %d\n",-a,-b,a+b);
	if (b==0){
		printf(" 无法进行除法和取余运算\n");
	}
	else{
		printf(" a / b = %lf\n a %% b = %d\n",a*1.0/b,a%b);
	}
	printf(" a>0&&!b!=0 : %d\n",a>0&&!b!=0);
	printf(" a >> b%32 = %d\n",a>>b%32);
	printf(" a & b = %d\n a > 0 : %d\n b > 0 : %d\n",a&b,a>0,b>0);
	printf(" sizeof(a) = %d",sizeof(a));
    printf(" a *= b = %d ",a*=b);
	return 0;
}